Page last updated
9 August

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The Freshwater Mussels (Unionoida) of the World
(and other less consequential bivalves)

FM(U)otW(aolcb) is the web version of the MUSSEL Project Database. Follow the links to browse the data or use the search fields. Either way, you win!

Taxa known only as fossils are highlighted in gray. Those without representatives in fresh waters are highlighted in gold.



Bivalvia | Unionoida | Unionidae

NOTICE! This version of the MUSSELpdb online is no longer supported or up-to-date. It will be removed from this web site in the summer of 2019.

Click here to view these data in the current, updated version. Or, click here to browse from the starting page.

Uniomerus Conrad, 1853: species
  View generic synonymy: 3 synonyms

*Uniomerus carolinianus (Bosc, 1801)
16 synonyms | 12 specimens
Distribution: Southern Atlantic Slope, peninsular Florida, and the Ochlockonee Basin, USA.
Go to: ITIS. Red List Status: least concern. GenBank: nucleotides available.
*Uniomerus columbensis (Lea, 1857)
2 synonyms | 1 specimen
Distribution: Apalachicola Basin and perhaps others in the eastern Gulf Coastal Plain, USA.
*Uniomerus declivis (Say, 1831)
6 synonyms | 2 specimens
Distribution: Gulf Coastal Plain from Alabama west to Texas.
Go to: ITIS. GenBank: nucleotides available.
Uniomerus hanleyi Good, 1998 [Triassic]
1 species-level nomen
Distribution: Triassic, North America.
*Uniomerus tetralasmus (Say, 1831)
19 synonyms | 12 specimens
Distribution: Widespread in eastern North America, from Lake Erie south to the Gulf of Mexico and west to Colorado.
Go to: ITIS. Red List Status: least concern. GenBank: nucleotides available.
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